32-bit ARM Cortex M4 MCU, 50MHz, 256KB Flash, 121-BGA
PK21DX256VMC5
32-bit ARM Cortex M4 MCU, 256KB Flash, 121-BGA
RISC MICROCONTROLLER
Kinetis K 32-bit MCU, ARM Cortex-M4 core, 256KB Flash, 50MHz, MAPBGA 121
RISC Microcontroller